Keyboard-lock for type-writers.



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W. P. KIDDER.: KEYBOARD LOOK FOR TYPE WRITERS. APPLIOATIQK'IILED. JUNE24, 1905.

UNITED STATES PATENT OFFICE.

WELLINGTON -PARKEB KIDDER, 'OF BOSTON, MASSAGHUSETTS, ASSIGNOR TOjPeLRKER -MACHINE COMPANY, OF BUFFALO, NEW YORK, A CORPORATION OF NEWYORK.

KIDDER, residing at Boston,

' skilled in the art to which it appertains to make and use the same.

, ThiS invention relates totypewriting ma- I chines and the like and,although capable will be exemplified'in! the mechanism herein-- of usein many other forms of machines, is especially adapted for use in thoseknown as silent typewriters and has for one of'its objectsto providemeans adapted automatically to preventfurther movement of the earriazgewhen the, end of a line is reachai.

nether object is .to provide mechanism adapted to lock the universal baragainst movement at a predetermined position of the carriage Otherobjects will be in part obvious, and in part pointed out hereinafter.

features of construction, combinations of elements and arrangem of partswhich after described, andthe scope of'the application of which will beindicated in the following claims; "v

In the accompanying drawing, wherein is shown one of various posslbleembodiments-of my invention: Figure 1 is an elevation of the same-partlyin ,secti'om 2 is a detail view showing the locking means for the.universal bar. -Fig. 3 is a sectional View of another detail.

Similar reference characters refer tosimi lar parts throughout theseveral views.

As aiding in a clearer understanding of -.certa1n of the variousfeatures of my iii-- vention, it. may be here noted that,.intypewriting. machines, it is desirable to provide means operating, toprevent a movement of the carriage when the end of a line is' reached,and it is, moreover, essential to so construct the machine that theovement of 1 lengths of the carriage may be automatically arrested 1ndlfierent positions to allow fondifi'erent paper. I have, therefore,found desirable m" silent typewriters to so construct the machinethatthe carriage may be automatically'lockedv against movement in anydesired;

KEYB ARD-Loci: son TYPE-WRITERS,

, Specification of Letters latent. Application, filed Tune 2 1, 9'o5.-Serial no. 286,814.

The invention accomiingly consists in the nes and difi'erent widths ofPatented Oct, 26, 1909;

may be performed without noise, I have proversal bar against movement,thereby preventing a movement of the key levers and by, such operationbeing automatically determined by the position of thecarrlage.

, position and, in order that such operation 'vided mechanism adapted tolock the univ carriage feeding mechanism controlled there- The above and'other advantag'esare secured in constructions of hereinafter described.5

Referring now to the drawings, the carriage 1 is mounted to bereciprocated- 1011- the nature of that gitudinally in the frame of themachine and has secured thereto .face' late 2 having near oneend aslight wedges aped depression' 3. A preferably squared ,rock shaft 4having rounded ends to form bearings ext-ends transversely .of themachine in a parallel relation with face plate 2 and is journaled in theframe at 5. A shoe 6 is slidably mounted upon said shaft and is.provided with a looking finger? adapted to constant} engage face plate 2of carriage 1. Operatiiig rod 9 8 0 extendingthrou h an enlarged opening10 in the frame 0 the machine is provided with a knob or handle 11 andconnected to'shoe 6 at 12, and is adapted togslide the same along shaft4. Rod 9 lsp'rovided with a rack 13 adapted to be engafged by*-:fixedpawl 14 secure to the frame 0 the machine and ismaintained inengagementptherewith by a leaf spring. 15. secured to said frame theperiphery of rod 9.

and engagin lira!- lfi-connected with the car- Universa riage feedingmechanism, and upon which rests the ke vers and spacing bar, or otheractuating evice, is; connected by link 17 to.

Rock lever--18 is rovided with 'an' offset portion-20 upon w adapted tobe engaged by a coractingl positioned upon theend of bell crank 23pivoted, at 24 to a stud 25 extending from the frameof the machine, theo oslte end of which is pivotally connect y means "of rod 27 with lever26 carried by 4. -Retractile spring 28 'connectin cranklever 23 with afixed' part of-t chine'is adapted constantly to maintain lock-' ingfinger 7 carried by slidin V engagemitwith the face plate; of earria'1"'through-;th'e connecting means fore described. Locking fin v Ir,7;1s' proa with! ub t a y wizee e d M ich is located a lug21- g 22ever rock lever 18 positioned upon rock shaft 19. r

i-ock shaft j 1 Qbell e ma-" 106 shoe 6 in 7 hereinbe 29"which isadapted toenterthe similarly shapeddepression 3 in face plate 2 whencarriage I by its longitudinal, movement brings depression?) intoregistry therewith, thereby operating to cause coact1ng lug 22,01 bellcrank lever 23 to engage with'lug' 21, such operation being theinfluence of. spring 28. The universal bar 16 being connected with rocklever 18 is now locked against movement and further actuation of theimpression levers or spacing'ba'r is thereby prevented. By rea'-' son ofshoe 6 being adapted to. be projected along rock shaft 4 by means of rod9," the draw co-acting lug 22 of hell crank lever 23 from lu 21 carriedby rocker'lever 18 thereby re. easing universal bar 16'' and.

simultaneously withdrawi g lockingfinger 7 from depression 3.

The operation, ofmy invention, which should be largely obvious after theabove description, isas follows:

being set on rock shaft''" in any desired position, depending on thewidth of. paper or the desired length of line, will, when looking finger7 enters depression 3 cause the lug 22 of bell crank lever 23 to' enga ewith lug21 of rocker lever 18, thereby ocking the universal bar againstmovement and preventing a further movement of the carriage. On 'accountof the wedge shaped end of finger 7 being engaged by the similarlyshaped depression 3, the 'returningof the carriage to initial positionby the'operator will force said finger out of engagement with the wallsof such depression; thereby withdrawing bell crank lever 23 fromengagement with rocker lever [18 ,and versalbar 16 through theconnecting means abo e described, spring 28 maintaimngsaid fing r 7-inconstant engagement with face plate 2. Accordin-gl 1t will be apparentthat I have provided lockingiuechanism for the carriage feedwell'a'dapted toachieve Sliding shoe 6 the object soughtand which ischaracterized by simplicity of structure operation and, moreover,cussion or impact of the k evers or spacing mec anism againsttheunlversal bar is re-' and efliciencyq of ventedwhen-thecarriageis in'a' locked s'ition. By t substantiall directly upon the universal bar,there 1s prevented the usual racking accomplished by .sivel'y to suchtype'nor in might be said releasing uni-- one in which con e provision'of the lock actmg "and consequent strain upon the op erating mechanismdue' to attempts to aetuateithelevers or. spacin' mechanism'whe'n thekey - the, end of the 111,183

carriage has reache 'and this, of course, results in a more silentoperation.

While I have shown and describeddmy invention in connection with atypewritino machine'of the above ype, I do not WIS tobe understood aseing limited excluof machine, it being adapted for use as to fact to anytype many of its features in othenforms although As'many changes-could.be made in the above construction and many apparently widely difierentembodiments. of my invention could be made without departing. from thescope thereof, I intend that all matter contained in. the-abovedescription or shown in the accompanying mg. sense.

I- desire it also to be language used in the intended to cover allspecific features of the invention herein described and all statementsof the scope of the invention, which-as-a matter to fall therebetween.Having described my'invention, what I claim as new and Patent is a 1. Ina typewriting-machine, the combination with the traveling carriage andthe universal bar, with'said universal bar andadapted to be actuatedthereby, a movable member adapted to engage said rocker member to lockthe peculiar value in the'relation herein" understood' that thefollowing claims is of the generican'd' of languagedesire to secure byLetters drawings shall be interprete'd aslllustr'ative and not a limitof a rocker member connected same agalnst movement, spring means for Iurging said locking member .to movement, a lock controlling memberconnected with said locking member adapted to engage a ortion of thecarriage, such; enga ement holding the locking member in inet fectiveposition, and means upon the carriage adapted when the latter reaches a"predetermined point in its travel to permit such movement of the lockcontrolling member aswill permit a movement of the locking meinber toits'locking position.

2. Ina typewriting machine, thecombination with the traveling carriageand the universal bar, of a swinging locking menu berfor the universalbar which is spring .urgedto movement to a locking position, a shoeconnected with said locking member ortion of the carriage durmgh'theceding movement tliereof,-. ;suc engagement operating toholdsaid lockingmember in an ineffective position and engagiptg a e er against thetension of its I I spring actuating mean and means upon the carriageadapted to permit a movement of the shoe when the lIlO move to its.lQCkIIIg-"POSltlUH.

3 In a typewriting machine, the combi nation with the traveling'carriageand the universal bar, of a movable member for locking thelatter, a shoeconnected with said movable member and normally engaging a portion ofthe carriage, a spring adapted to urge said locking member to movementand ada ted to hold said shoe in engagement wit said portion of thecarria e, such engagement operating to hold the' ocking mem or againstmovement, and means upon the carriage which permits a movement of saidshoewhen' the carriage reaches a 'predetermined point in its travelwhereb said spring maymove said locking mem atto; locking position.

4. In a typewriting machine, the combination with the travelin carriageand the universal bar, of a movab e member adapted to lock universal baragainst movement, an

oscillatory rod extending in parallel relation with the carria e andjournaled in a fixed portion of the rame of the machine, a shoesupported in non-rotatable engage-- ment with said rodand adjustablelongitudinally-thereof, said shoe being adapted to engage a portion ofthe carriage, a sprin connected with said locking member 'an' urgingthesame to 'movement to a locking position a connection between saidoscillator re and said lockiii member whereby sai spring normally hol ssaid shoe in enga ement with said portion of the carria suc engagementoperating to hold the loc ing member against movement, and means uponthe carriage which permits a move ment of the shoe when the carria ereaches a predetermined point in its trave thereby permitting said rodto oscillate and said ocking member tomove to, its locking position.

5. In a typewriting machine, in combination with a carriage havin arecess, a universal bar, a move le mem r normally in contact with saidcarriage and ,means actuated by said movable member for locking saiduniversal bar when'the carriaa'e has reached a predetermined position inits travel and the recess is, engaged by said, movable member. v

6. In a typewriting machine, in combination, a universal bar, a rocker181mg connected therewith, a earri a roclt shaft an ndi'ustable memberposi "oned upon, said rock s mft and held in en gement with thecarriage, sprin means a apted to actuate said member 1! en the carriagereaches a predetermined point in its travel; and locki f; meclmnismconnected with sadfimember apted when the same is actuated t mlock fheuniversal bar against movement.

7; In a typewriting machine, m c hination, a universal bari adapted tosupport the keylevers, aroc'kerlever connected t with, a (pivotally'mounted lever adapted to lock 'sai carriage, a rock shaftextendinginparallel relation with-'thecarriag'e and ournaled ina fixed port1on ofthe'fra'meof the machine, a member adjustably' positioned upon saidrockshaft adapted toengage with a portion of the carria e, meansconnecting said rock lever spring means for urgin member to movementtowar a.

means upon t v the adjustable member in engagement there .with to permitsaid spring to move said pivotallv mounted lever to engage with saidlocked against movement.

tion, a'universal bar adapted to control the movement of the impress onlevers and 8. acing mechanism, a carriage, means scour the carriage and(provided with a depression a" rock shaft, a j ed upon said rock shag:free from but constantly engaging wi I .said means, a rockerleverconnected with said universal. bar, a bell crank lever 'adapted toengage with said rocker. lever to prevent a mcy ement thereof, connectinmeans between said rock shaft and said llcrank lever,'and a springextending between a fixed part of the machine the 'afore-mentionedconnecting means to with the carriage, and spring being adapted whensaid engagin means is in re istry with said depression todrce the samecum and simultaneousl engage said bell crank lever withsaid me or lever,thereby'preventing a movement ofesaid universal bar.

9. In at peyrltingmachine, the combine tion with t e carriage and theuniversalbar, oilocking means for the latter comprising a finger springheld in contact with the carniage, and locking means for the universalbar connected therewith, said finger being carriage at a rede erminedpoint 'in its "travel whereby t e locking means is actua ted and causedto loclr the universal bar against mhyement.

10, In a t nation with tsilewritin'g machine, .t he combie carriage andthe universal "-bar, of'locking means for the lattercomprism in a fler-s rin heldjn contact with the 8 and lbcki ng memonnected therem t'ofthejlnger tp lock the fumversal bar against fmovenient,'s'aidfinger-when moved by itsjspring into a depression formed in the shaftwith 't e pivotally' mounted lockingv said latter ocking position, saidspring means also operating to hold the member mounted upon the roc kshaft in engagement with the carriage,.and-A-,f

e carriagewhich coacts with I H maintain said engagingmeans in contactadapted to enter ade ression formed in the rocker lever againstmovement, a,

locking lever, wherebydhe universal: bar is.

8, In a t'ypewriting machine, in combinanstable means position and saidbell crank lever, adapted through with a. apted when actuated throu h amove- 7 1 depression adapted to be entered by said finger at apredetermined position in the travel of the carriage whereby theintercepting means will be caused to prevent a movement of'the universalbar.

12. In a typewriting machine, the combination with the vcarriage and theuniversal bar, of locking means for the latter compris ing'a platecarried by the carriage provided with a depression, intercepting meansfor theumversal bar, and. a finger connected therewith normally springheld against said plate, said finger being adaptedto enter thedepression in said plate at a predetermined point in the travel of thecarriage whereby. the intercepting means will be mo ed-into a positionto lock the universal bar against I movement. i

13. In a typewriting machine, the conibi I nation with the carnage andthe universal bar, of locking means for the latter comp;:ising a platehaving a depression carried by the carriage, intercepting means for the11ni' versal bar, and a finger connected with :iaid intercepting meansand normal ly spring held in contact with said plate, said plate and.said finger being relatively adjustable, said finger being adapted toenter a depression insaid plate at a predetermined point in the t1 'avelof the carriage, thereby causing the iiters' cepting means to lock theuniversal bar against movement. I

In testimony whereof I afiix my signaaf ture, in the presence of twowitnesses.

I lVitn esses A. WHITE, 4 C. H. Wlnson.

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